Surgical knife



FIG. 1 is a perspective view of a surgical knife, showing my new design;

FIG. 2 is a longitudinal top view of FIG. 1;

FIG. 3 is a bottom longitudinal view of FIG. 1;

FIG. 4 is a left side elevational view of FIG. 1;

FIG. 5 is a right side elevational view of FIG. 1;

FIG. 6 is a front end view of FIG. 1;

FIG. 7 is a rear end view of FIG. 1;

FIG. 8 is a perspective view of FIG. 1 with the cover in the closed position;

FIG. 9 is a right side elevational view of FIG. 8;

FIG. 10 is a perspective view of another embodiment of a surgical knife, showing my new design;

FIG. 11 is a longitudinal top view of FIG. 10;

FIG. 12 is a bottom longitudinal view of FIG. 10;

FIG. 13 is a left side elevational view of FIG. 10;

FIG. 14 is a right side elevational view of FIG. 10;

FIG. 15 is a front end view of FIG. 10;

FIG. 16 is a rear end view of FIG. 10;

FIG. 17 is a perspective view of FIG. 10 with the cover in the closed position; and,

FIG. 18 is a right side elevational view of FIG. 17.

The broken line portion of the figure drawings represents the outline of the blade of the surgical knife and forms no part of the claimed design. 

CLAIM The ornamental design for a surgical knife, as shown and described. 